Tsonga in 3 - Mayer loves Shanghai surface.Del Potro in 2 - Same as their Tokyo match, Almagro will play epic but choke when it counts.Djokovic in 3 - Monfils will step it up and Novak will want to give Thugdal false hope.Nadal in 2 - Wawanker bending over to help his master muger out.